# OC Root 2nd 3rd 4th PC Gene/Definition OC.573480 Archaea.36802 Thaumarchaeota.2390 Nitrosopumilus.446 nmr.91 nmr:Nmar_0081 cobalamin (vitamin B12) biosynthesis CbiX protein; K03795 sirohydrochlorin cobaltochelatase [EC:4.99.1.3] OC.573480 Archaea.36802 Thaumarchaeota.2390 Nitrosopumilus.446 nir.38 nir:NSED_00100 cobalamin (vitamin B12) biosynthesis CbiX protein; K03795 sirohydrochlorin cobaltochelatase [EC:4.99.1.3] OC.573480 Archaea.36802 Thaumarchaeota.2390 Nitrosopumilus.446 nid.151 nid:NPIRD3C_0141 Cobalamin (Vitamin B12) biosynthesis CbiX protein; K03795 sirohydrochlorin cobaltochelatase [EC:4.99.1.3] OC.573480 Archaea.36802 Thaumarchaeota.2390 Nitrosopumilus.446 nin.2131 nin:NADRNF5_2195 Cobalamin (Vitamin B12) biosynthesis CbiX protein; K03795 sirohydrochlorin cobaltochelatase [EC:4.99.1.3]